In an ancient sport traditionally reserved for men, 20-year-old female sumo prodigy Hiyori attempts to revolutionize Japan’s national pastime.

A nuclear power plant is built in a peaceful small town in South Korea. All residents praise the nuclear power station for bringing new jobs and life to the quiet town except Jae Hyuk who lost his father and a brother due to coolant exposure an accident while working on the nuclear power plant. But now, he is forced to work in the station against his will. The nuclear power plant gradually corrodes, and one day, with an unexpected earthquake, old pipes in the nuclear power plant break and hydrogen gas explode. To stop the atomic explosion, Jae Hyuk goes into the nuclear power plant to save his beloved people. Will he save the ones he loves from the disaster? Will he come back alive?

A month later. Genji Takiya has graduated. New fights begin to see who will climb to the top at Suzuran High School. Meanwhile, a battle against nearby Kurosaki Industrial High School begins.

Yoon-hye likes Da-joo more than just as a friend but denies her feelings for the sake of their friendship. After some events following Da-joo being introduced to a boy, Yoon-hye is not able to hide her emotions anymore.

14-years-old Midori, who doesn't have a family, is picked by the Aka Neko circus troupe. Wanda Masamitsu has supernatural powers and he joins the same circus troupe. Midori has an affinity for Wanda, but she is afraid of him. Wanda gets members of the circus troupe to follow him using his supernatural powers and even commits murder.

Former cop Shifeng Cao (Chapman To), now unemployed and living off of his savings, learns of 400,000 HK bounty placed on a wanted criminal. He then makes a trip out to the Lazy Inn Hotel in hopes to track the criminal's whereabouts.

Chang Shik is a lazy freeloader who frequently visits nearby grocery stores for free food samples and leeches off of his older brother. Mi Young lives in the same neighbourhood and dreams of becoming an actress. She has failed all of her auditions and she supports herself by working at her mother's video rental store.

One day, Chang Shik and Mi Young literally bump into each other. Chang Shik drops his coins and, after picking them up, notices that he is 10 cents short. Chang Shik demands ten cents from Mi Young, but she refuses. The two become enemies. They then witness a hit and run incident involving an elderly man named Hwang. The next day, Chang Shik and Mi Young both notice a sign offering a 5-million-won award for an eyewitness to the hit and run incident! They get a lot more than they bargained for.

Lee Jang-Hwan (Lee Kyoung-Young) receives widespread acclaim and media attention after successfully cloning human embryo stem cells. A TV news program PD, Yoon Min-Cheol (Park Hae-Il) receives a phone call from an anonymous source. The anonymous source is Shim Min-Ho (Yoo Yeon-Seok) who has done stem cell research with Lee Jang-Hwan in the past. Shim Min-Ho blows the whistle on Lee Jang-Hwan's work. Results were fabricated along with other unethical practices. PD Yoon Min-Cheol believes Shim Min-Ho and decides to take his story public.